[dpdk-dev] Having troubles binding an SR-IOV VF to uio_pci_generic on Amazon instance
Michael S. Tsirkin
mst at redhat.com
Thu Oct 1 17:46:43 CEST 2015
On Thu, Oct 01, 2015 at 08:01:00AM -0700, Stephen Hemminger wrote:
> The per-driver ring method is what netmap did.
IIUC netmap has a standard format for descriptors, so was slower: it
still had to do all networking in kernel (it only bypasses
part of the networking stack), and to have a thread to
translate between software and hardware formats.
> The problem with that is that it forces infrastructure into already
> complex network driver. It never was accepted. There were also still
> security issues like time of check/time of use with the ring.
Right, because people do care about security.
--
MST
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